Carla Wozniacki beats Magdalena Rybarikova 2-0 at Australian Open 2018

Magdalena Rybarikova of Slovakia reacts during the women's singles fourth round match against Caroline Wozniacki of Denmark at Australian Open 2018 in Melbourne, Australia, Jan. 21, 2018. Carla Wozniacki won 2-0. (Xinhua/Zhu Hongye)